TM 5-3805-261-20
LIGHT SYSTEM TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
g.
BOTH FLOOD LIGHTS FAIL TO OPERATE. (cont)
Step 4. Test the continuity of the headlight switch (Figure 7-106). Connect one multimeter lead to the back of
switch and one lead to ground.
Figure 7-106
If the multimeter needle does not move, the circuit does not have continuity. Replace light switch assembly.
Refer to paragraph 7-73.
Step 5. Check the wiring harness for corrosion, cracks or breaks.
If the wiring harness is damaged or defective--repair. Refer to paragraph 7-117. If replacement is necessary--
contact Direct Support.
h.
BLACKOUT DRIVE LIGHTS FAIL TO OPERATE.
Step 1. Check circuit breaker number 604.
Reset circuit breaker.
Step 2. Check fuse number 15A.
f fuse is blown--replace. Refer to paragraph 7-63.
7-186
